enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/iio/dac/cio-dac.c
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@@ -1,15 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * IIO driver for the Measurement Computing CIO-DAC
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  * Copyright (C) 2016 William Breathitt Gray
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License, version 2, as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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  *
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  * This driver supports the following Measurement Computing devices: CIO-DAC16,
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  * CIO-DAC06, and PC104-DAC06.
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@@ -118,7 +110,6 @@
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 	indio_dev->channels = cio_dac_channels;
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 	indio_dev->num_channels = CIO_DAC_NUM_CHAN;
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 	indio_dev->name = dev_name(dev);
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-	indio_dev->dev.parent = dev;
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 	priv = iio_priv(indio_dev);
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 	priv->base = base[id];